Combine zucchini, potato, and 1 cup water in a small Dutch oven.
Cover and bring to a boil. Boil 10 mins or until crisp-tender (do
not DRAIN). Saute onions in margarine until tender; add to zucchini
and potato. Add 1/2 c water, tarragon, and bouillon granules stirring
to blend. Add skim milk, and cook over medium heat until thoroughly
heated.

From: All New Cookbook For Diabetics And Their Families Each serving
amount: 1 cup